Home / 2,739.75-3,784.10-1,854.02

Finding the Fourth Proportional to 2,739.75, 3,784.10 and 1,854.02

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Solution

The fourth proportional to 2,739.75, 3,784.10 and 1,854.02 is: 2,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.75 : 3,784.10 = 1,854.02 : x
  2. Step 2: Convert to fraction form
    2,739.75/3,784.10 = 1,854.02/x
  3. Step 3: Cross multiply
    2,739.75x = 3,784.10 × 1,854.02
  4. Step 4: Simplify right side
    2,739.75x = 7,015,768.89
  5. Step 5: Solve for x
    x = 7,015,768.89/2,739.75
  6. Step 6: Final answer
    x = 2,560.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.